Epithelial Tissue

Question 1

The equation for what makes up connective tissue, and name the two cell types and what they do

Answer 1

• fibroblasts- widely distributed in CT, migratory cells, to secrete components (fibres and GS), make the bottom of the BM

Adipocytes- fat cells, under skin and around organs, stores fat (triglycerides)

Question 2

Where are simple squamous epithelium found?

Answer 2

Present at sites of filtration; kidney
Diffusion; lung
Secretion where slippery surface needed; outer layer of serous membranes, outside intestines

Question 3

Mesothelium?

Answer 3

Forms epithelial later of serous membrane

Lines pericardial, pleural and peritoneal cavities

Question 4

Endothelium?

Answer 4

Lines CVD/lymphatic system
Inside heart/blood vessels
Lymphatic vessels
Bowman’s capsule of kidney

Question 5

Locations of Simple Cuboidal Ep?

Answer 5

Covers surface of ovary
Secretory part of glands, like thyroid
Lines anterior surface of capsule of lens (eye)
Secretory chambers of thyroid
Parts of kidney tubules, smaller ducts of many glands
Pancreas duct

Question 6

Non-ciliated Simple Columnar Ep locations?

Answer 6

Lines gut mucosa from stomach to anus
Gastrointestinal tract (gut)
Ducts of glands- gall bladder

Question 7

Ciliated Simple Columnar Ep. Locations?

Answer 7

Some bronchioles of respiratory tracts
Uterine Fallopian tubes 
Sinuses 
Central canal of spinal cord 
Ventricles of brain

Question 8

Non-keratinised Stratified Squamous Ep location?

Answer 8

Mouth
Throat 
Tongue 
Oesophagus
Anus
Vagina wall

Question 9

Keratinised Stratified Squamous Ep location description?

Answer 9

Places where mechanical stress and dehydration is an issue, makes surface tough and waterproof

Question 10

What is Hyaluronidase? (Connective tissue)

Answer 10

An enzyme that breaks hyaluronic acid. Produced by WBC, sperm, some bacteria. Accounts for rapid spread of bacteria through CT

Question 11

What are tendons?

Answer 11

Tendons connect muscle to bone